# 作者：lian
class HouseItem:
    def __init__(self,name,area):
        self.name = name
        self.area = area
    def __str__(self):
        return"[%s]占地%.2f"%(self.name,self.area)

bed = HouseItem("席梦思",4)
chest = HouseItem("衣柜",2)
table = HouseItem("餐桌",1.5)

print(bed)
print(chest)
print(table)

class HouseIteam:
    def __init__(self,name,area):
        self.name = name
        self.area = area
    def __str__(self):
        return "[%s]占地%.2f"%(self.name,self.area)

class House:
    def __init__(self,house_type,area):
        self.house_type = house_type
        self.area = area
        self.free_area = area
        self.item_list = []


    def __str__(self):
        return("户型:%s\n 总面积：%.2f[剩余：%.2f]\n家具:%s"%(self.house_type,self.area,self.free_area,self.item_list))

    def add_item(self,item):
        print("要添加%s" % item)

my_home = House("两室一厅",60)

def add_item(self,item):

    print("要添加%s" % item)
    if item.area > self.free_area:
        print("%s的面积太大，不能添加到房子中" % item.name)
        return
    self.item_list.append(item.name)

    self.free_area -= item.area

my_home.add_item(bed)
my_home.add_item(chest)
my_home.add_item(table)

print(my_home)

